Apparatus for distillation or the like



v. L. EMERSON. I APPARATUS FOR DISTI-LLATION OR .THE LIKE.

Patented M 19,1920.

UNITED STATES PATENT OFFICE.

VICTOR LEE EMERSON, F PHILADELPHIA, PENNSYLVANIA APPARATUS FOR DISTILLATION OR THE LIKE.

Specification of Letters Patent.

Patented Oct. 19, 1920.

Original application filed May 6, 1920, Serial No. 379,356. Divided and this application filed May 11, .1920. Serial No. 380,613.

T 0 all 207mm it may concern:

Be it known that I, VICTOR LEE EMER- sox. a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have in in my Patent X0. 1,337,831, granted April This application is a division of my 00- pending application Serial No. 379,356, filed May 6, 1920.

An object of the present invention is to provide a furnace in connection with the apparatus herein disclosed in which the metal parts will not be subjected to direct contact with the flame in the furnace. To this end a structure is provided whereby the heat is transmitted to the metal parts by radiation. A further object of the invention is to provide a structure which renders the apparatus free from danger due to any leakage of the material undergoing treatment, as in the case of an apparatus designed for the distillation of inflammable oils wherein the leakage would cause a conflagration destructive to the apparatus.

further object is to provide a structure whereby the heat is evenly transmitted to the metal parts and the gases of combustion are caused to travel in a definite path causing an eflicient heat transference to the liquid treated.

A preferred form of my invention is v shown in the accompanying drawing, the

same being a sectional side elevation of the still and associated parts.

In the particular embodiment of my invention disclosed the still indicated, in general, by the reference numeral 1, is provided with a supporting structure comprising a brick-work, indicated, in general, by the reference numeral 2. This supporting structure comprises front, intermediate andrear walls indicated by the reference numerals 3, 4 and 5, respectively. The combustion space or furnace is indicated by the reference numeral 6 and in general comprises the space between the front wall 3 and intermediate wall 4. The intermediate wall 4 is provided with a bafiie member 7 projecting at an angle therefrom. This baflie member is adapted to direct the products of combustion upwardly and around the tubes 8, as indicated by the arrows in the drawing. A fuel burner isshown at 9 and is so constructed as to direct the flame thereof downwardly as shown. By this structure the heat from the flame of the fuel burner 9 will be conducted by the products of combustion to the tubes. thus avoiding direct contact of the flame therewith and resulting in an even distribution of heat.

In an oil still such as that disclosed this has the advantage of avoiding over-cracking the oil by excessive localized heat. From the space included between the intermediate wall 4 and the rear wall 5 the products of combustion pass through a passage 10 into a pit shown at 11. From the pit 11 the products of combustion escape through the stack 12 in the direction shown by the arrows in the drawing. The intermediate wall 4 is so formed as to provide a passage indicated by the reference numeral 13. Within this passage is placed a brick-or bricks 14. If from any cause a leakage should occur in the still the oil escaping into the furnace 6 would fill the passage 13 and push the brick or bricks 14 out of the passage thus allowing the oil to pass into the chamber between the intermediate wall 4 and the rear wall 5. From thence the oil passes through the passage 10 into the pit 11 and fills the same in such a manner as to form a liquid seal cutting off the passage 10.

By this means the draft is shut off and a weight controlled valve 15. This weight controlled valve. is held in place by a plug inserted through the arm 16 thereof into a selected hole in the plate 17." The plug indicated at 18 may be made of wood or any temperature-responsive material which will be so affected by excessive heat as to destroy the same. becomes excessive the plug 18 will be de- If the heat in the stack stroyed and the weight 19 will cause the valve to close off the passage to-the stack thus-reducing the temperature of the still below the danger point.

By the construction herein disclosed I have provided a means whereby the dangers due to fire and overheating in the type of apaalrl-atus disclosed are avoided.

' at I claim is:

1. In a liquid vaporizer, the combination of a furnace, a liquid container positioned over said furnace, an outlet for the products of combustion from said furnace, a pit, a stack connected to said pit, a wall between said furnace and said pit, said wall being provided with a passage at the base thereof, said pit being so constructed as to form a closure for said outlet when filled with liquid.

2. In a liquid vaporizer, the combination of a furnace, a liquid container positioned over said furnace, an outlet for the products of combustion from said furnace, a pit connected to said outlet, a stack connected to said pit, a wall between said furnace and said pit, said wall being provided with a passage therethrough, a removable closure element in. said passage, said pit being so.

constructed as to form a closure for said outlet when filled with a liquid.

3. In a liquid vaporizer, a liquid container, a supporting structure therefor comprising front, intermediate and rear walls, the space between said front and intermediate walls forming a combustion chamber, said intermediate wall being provided with a passage at the bottom thereof, a pit below said supporting structure and connected to the space between said intermediate and rear walls, a stack connected to said pit, said pit forming a closure for the passage of the products of combustion to said stack when filled with a liquid.

4. In a liquid vaporizer, a liquid container, a supporting structure therefor comprising front, intermediate and rear walls, the space" between said front and intermediate walls forming a combustion chamber, said intermediate wall being provided with a passage at the bottom thereof, a removable closure element in said passage, a pit below said supporting structure and connected to the space between said intermediate and rear walls, a stack connected to said-pit, said pit forming a closure for the passage of;the products ofcombustion to said stack when filled with aliquid.

In testimony whereof I have hereunto set my hand.

VICTOR LEE EMERSON. 

